Color

#1a34ff

#1a34ff
hex#1a34ff
rgbrgb(26, 52, 255)
hslhsl(233, 100%, 55%)
oklchoklch(0.49 0.287 266)
Closest name: C64 Blue (#003aff)Relative luminance 0.099

Colors that go with #1a34ff

Charcoal, Crimson and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ffe41a

#1aa7ff · #711aff

#ff1a34 · #34ff1a

Split-complementary

Open in tool →

#ff711a · #a7ff1a

#ff1aa7 · #ffe41a · #1aff71

Contrast

#1a34ff as textRatioAAAA largeAAAFix
Aaon white
7.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #5266ff as the text (4.7:1)
  • AAA: use #808eff as the text (7.23:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a34ff as the background.

Brands using this color

Fonts for this mood

#1a34ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a34ff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1a34ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a34ff-9c9cc4-df884e-241f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md